CN1106864A

CN1106864A - Cleaning agent

Info

Publication number: CN1106864A
Application number: CN 94117962
Authority: CN
Inventors: 田福申
Original assignee: KAIFENG AIR SEPARATION APPARATUS FACTORY
Current assignee: KAIFENG AIR SEPARATION APPARATUS FACTORY
Priority date: 1994-11-11
Filing date: 1994-11-11
Publication date: 1995-08-16
Anticipated expiration: 2014-11-11
Also published as: CN1035335C

Abstract

A detergent is mainty made up by mixinjg alcohol amide non-ionic surfactant, corrosion inhibitor and alkali metals of phosphate and carbonate in a specified proportion. It has no corrosiveness, short period for washing, strong power for removing greasy dirt, no secondary pollution and good cleaning effect, and is low in cost because of easily available and cheap raw materials. It not only can clear off greasy dirt on aluminium and its alloy and on zinc material, but also can clean greasy dirt on floor, plastics, automobile and machines.

Description

Cleaning agent

The present invention relates to a kind of cleaning composition, particularly main is the clean-out system of base-material with the surface active cpd.It is applicable to cleans aluminium and alloy material and Zinc material, also can be used for cleaning ground, plastics and glasswork and various machine, the greasy dirt above equipment such as automobile, engine, the lathe etc.

Usually during the greasy dirt on cleaning aluminium and alloy material and Zinc material, adopt alkaline cleaner more, comprise strong basicity clean-out system and weakly alkaline clean-out system.Disclosed a kind of scavenging solution in " vacuum brazing " book of the high temperature caustic soda soln of employing as usual and National Defense Industry Press's publication in 1984, it is by sodium hydroxide (NaOH) (technical pure), yellow soda ash (Na ₂Co ₆) (technical pure) measure in accordance with regulations and mix.But it belongs to the strong basicity washings, has stronger corrosive nature to being cleaned part, if scavenging period was above 6 minutes, just be difficult to guarantee to be cleaned the quality of material under the condition that has thickness and degree of cleaning to require, thereby can cause being difficult to guaranteeing quality by this material products made thereby, and operation is difficult, and scavenging period is long, is difficult to reach in 5 minutes the requirement with the greasy dirt Ex-all.And published in 1988, by the chief editor of Jilin University, in " Principles of Metal Molten Welding ﹠ Technique " volume two one book as institution of higher education's teaching material on probation, a kind of weakly alkaline cleaning solution is disclosed.It is by sodium phosphate (Na ₃Po ₄) 50 grams, yellow soda ash (Na ₂Co ₃) 50 grams, water glass (Na ₂SiO ₃) 30 grams, water 1000 grams mix.Because aluminium and alloy material thereof are immersed in the scavenging solution that is mixed by sodium phosphate and yellow soda ash, corrosion reaction can't take place, so the water glass (Na that adds in above-mentioned prescription ₂SiO ₃) only play a part pore forming material and degrease.And should prescription cleaning solution can only de-oiling fat, can not Ex-all mineral oil.Through on probation, the aluminium flake that speckles with kerosene to be put into this clean-out system soak a night, its lip-deep oil is still a lot, and cleaning performance is poor.

The object of the present invention is to provide a kind of clean-out system, it can remove the greasy dirt on aluminium and alloy material and the Zinc material effectively, and does not produce corrosive nature, is cleaned material and presents metal scale gloss thereby can make, and reaches the requirement on the industrial production.

Must contain certain amount of surfactant and washing auxiliary detergent in the synthetic detergent, these auxiliary agents are except that having ability of cleaning greasy dirt, also should have with surfactants synergism, so that make synthetic detergent have synergism, so just can help to improve the over-all properties such as the ability of deoiling, washability of synthetic detergent.But the present invention be exactly can reduce water surface tension and not only degreasing but also can remove mineral oil the cocoanut fatty acid diethanolamide nonionic surface active agent [structural formula is:

N(CH ₂₀H) ₂NH(CH ₂CH ₂₀H) ₂Popular name is Ninol, claims again: cocoyl diglycollic amide, cocounut oil alkylol amide etc.] and have the erosion resistant agent of erosion resistant effect, measure in accordance with regulations with alkaline carbonate and alkali metal phosphate and mix.Above-mentioned erosion resistant agent is by sodium hydroxid (technical pure) and sodium silicate (mNa ₂OnslO ₂) (modulus is 2.5-3.0) mix.It had both had strong basicity, had inhibition of corrosion again.

Prescription of the present invention is by mass percentage following:

Erosion resistant agent 2-3.6%, alkali metal phosphate 1.5-3.5%, alkaline carbonate 1-2.5%, cocoanut fatty acid diethanolamide 0.2-0.6%, surplus is a water, mixes at normal temperatures.

Since among the present invention except that the alkali metal phosphate that contains specified amount, alkaline carbonate and water, also contain the erosion resistant agent of specified amount and the nonionic surface active agent cocoanut fatty acid diethanolamide of specified amount, so when using this clean-out system to clean aluminium and alloy material and Zinc material at normal temperatures, there is not corrodibility, if when these materials that cleaned up are taken out in scavenging solution, can sticking oil stain, the secondary pollution phenomenon does not promptly take place, and ability of cleaning greasy dirt is strong, washing time is short, and washing effect is good.For example, when the aluminium that cleans and alloy material thereof and Zinc material are immersed in the scavenging solution of the present invention 3-5 minute, can be with the greasy dirt Ex-all on this cleaning part, and there is not bubble, not blackening is not reacted, and the material surface after cleaning up presents metal scale gloss.Not only the saving of labor, save time but also not only because used starting material are easily purchased, low price, so cost is low.Simultaneously, it can also remove and speckle with smeary ground, clean the greasy dirt on the equipment such as plastics and glasswork and automobile, engine, lathe.

Further specify technology contents of the present invention below in conjunction with embodiment.

Embodiment 1:

This clean-out system is by following prescription, mixes at normal temperatures.

Solid-state erosion resistant agent 2%; Powdered acid sodium (technical pure) 1.5%; Powdery yellow soda ash (technical pure) 1%, oily thick liquid or solid cocoanut fatty acid diethanolamide 0.2%, all the other are water.

Embodiment 2:

Solid-state erosion resistant agent 2.3%, powdered acid sodium (technical pure) 1.9%; Powdery yellow soda ash (technical pure) 1.3%; Oily thick liquid or solid cocoanut fatty acid diethanolamide 0.3%, all the other are water.

Embodiment 3:

Solid-state erosion resistant agent 2.6%, powdered acid sodium (technical pure) 2.3%; Powdery yellow soda ash (technical pure) 1.5%; Oily thick liquid or solid cocoanut fatty acid diethanolamide 0.4%, all the other are water.

Embodiment 4:

Solid-state erosion resistant agent 3%, powdered acid sodium (technical pure) 2.7%; Powdery yellow soda ash (technical pure) 1.8%; Oily thick liquid or solid cocoanut fatty acid diethanolamide 0.5%, all the other are water.

Embodiment 5:

Solid-state erosion resistant agent 3.4%, powdered acid sodium (technical pure) 3.1%; Powdery yellow soda ash (technical pure) 2.1%; Oily thick liquid or solid cocoanut fatty acid diethanolamide 0.55%, all the other are water.

Embodiment 6:

Solid-state erosion resistant agent 3.6%, powdered acid sodium (technical pure) 3.5%; Powdery yellow soda ash (technical pure) 2.5%; Oily thick liquid or solid cocoanut fatty acid diethanolamide 0.6%, all the other are water.

Experiment embodiment 1:

The part aluminium alloy (LF21 that speckles with heavy smeary aluminum plate fin type heat interchanger, LT17, LT13) composition board and aluminum alloy fin, immerse respectively in the scavenging solution that the prescription by embodiment 1 to embodiment 6 mixes, carry out cleaning experiment under the normal temperature (18 ℃), soaked 3-5 minute, composition board that is cleaned and fin surface make and present the silvery white gloss of original light, and can guarantee the thickness and the constant requirement of fin thickness of composite surface layer.When the object that has cleaned up was taken out in scavenging solution, its surface is sticking oil stain no longer, and promptly non-secondary pollution can improve the quality of solder joint and the volumetric expansion intensity of interchanger so greatly, thereby had guaranteed the quality of aluminum plate fin type heat interchanger.If soak time is extended to 1 hour, 8 hours, 24 hours, in the time of 7 days, aluminium alloy compound plate that is cleaned and aluminum alloy fin still presented and its immersion identical situation in the time of 3-5 minute.Experimental result shows: the present invention's ability that not only degreases is strong, and scavenging period is short, and does not produce corrosive nature.

Embodiment 2:

Speckling with smeary zine plate and white pig iron, immerse respectively in the scavenging solution that the prescription by embodiment 1 to embodiment 6 mixes, the method according to experiment embodiment 1 under the normal temperature (18 ℃) experimentizes, and its experimental result shows fully identical with experiment embodiment 1.

Experiment embodiment 3:

Speckling with the smeary plain steel, copper spare, plastic plate immerse respectively in the scavenging solution that the prescription by embodiment 1 to embodiment 6 mixes, and experimentize under the normal temperature (18 ℃), soaked 3-5 minute, the material that is cleaned will cleaning as before.

Claims

1, a kind of clean-out system, it is mixed by alkali metal phosphate, alkaline carbonate, it is characterized in that, pressing the preparation total mass in the mixture calculates, erosion resistant agent 2-3.6%, alkali metal phosphate 1.5-3.5%, alkaline carbonate 1-2.5%, cocoanut fatty acid diethanolamide 0.2-0.6%, surplus is a water.